Patients with gastric and duodenal ulcer, in who never had the typical complaints, and anamnestic data about pathology of biliary system were examined. More than one third of the biliary sludge was found. Finding dates demonatrate an appearence of hypokinetic biliary dysfunction in patients with gastric and duodenal ulcer. The received results indicate the for necessity of obligatory ultrasonic research for the purpose of revealing biliary dysfunctions in patients with gastric ulcer; subsequent dynamic supervision and preservation of pathological changes to prevente cholelithiasis.